BUG: unable to handle page fault for address: ffffed1800000021
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23fff2067 P4D 23fff2067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2591 Comm: syz.2.616 Tainted: G        W         5.15.178-syzkaller-00193-g058abb720bd1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__rb_change_child include/linux/rbtree_augmented.h:173 [inline]
RIP: 0010:__rb_rotate_set_parents lib/rbtree.c:81 [inline]
RIP: 0010:__rb_insert lib/rbtree.c:180 [inline]
RIP: 0010:__rb_insert_augmented+0x36b/0x610 lib/rbtree.c:459
Code: 49 89 5d 00 48 83 e3 fc 43 80 3c 26 00 74 08 4c 89 ff e8 88 55 2a ff 4d 89 2f 48 85 db 74 2a 4c 8d 73 10 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 c6 54 2a ff 48 8d 43 08 4c 39 7b
RSP: 0018:ffffc90000b978f8 EFLAGS: 00010a06
RAX: 1ffff11800000021 RBX: ffff88c0000000f8 RCX: dffffc0000000000
RDX: ffffffff81a594e0 RSI: ffff8881092f4f40 RDI: ffff888128f46e38
RBP: ffffc90000b97960 R08: dffffc0000000000 R09: ffff888128f46e40
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811d290d10 R14: ffff88c000000108 R15: ffff88811d0292a8
FS:  00007fd59f2996c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000021 CR3: 0000000115f0d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline]
 vma_interval_tree_insert_after+0x2be/0x2d0 mm/interval_tree.c:57
 dup_mmap kernel/fork.c:632 [inline]
 dup_mm kernel/fork.c:1522 [inline]
 copy_mm+0xba2/0x13e0 kernel/fork.c:1574
 copy_process+0x1149/0x3290 kernel/fork.c:2263
 kernel_clone+0x21e/0x9e0 kernel/fork.c:2661
 __do_sys_clone kernel/fork.c:2787 [inline]
 __se_sys_clone kernel/fork.c:2771 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2771
 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd5a0c2f0a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd59f298fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd5a0e47fa0 RCX: 00007fd5a0c2f0a9
RDX: 0000400000000280 RSI: 00004000000007d0 RDI: 0000000000000000
RBP: 00007fd5a0cb02a0 R08: 0000400000000600 R09: 0000400000000600
R10: 0000400000000480 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd5a0e47fa0 R15: 00007fff4fa4fac8
 </TASK>
Modules linked in:
CR2: ffffed1800000021
---[ end trace ee8c4a69e8adc05d ]---
RIP: 0010:__rb_change_child include/linux/rbtree_augmented.h:173 [inline]
RIP: 0010:__rb_rotate_set_parents lib/rbtree.c:81 [inline]
RIP: 0010:__rb_insert lib/rbtree.c:180 [inline]
RIP: 0010:__rb_insert_augmented+0x36b/0x610 lib/rbtree.c:459
Code: 49 89 5d 00 48 83 e3 fc 43 80 3c 26 00 74 08 4c 89 ff e8 88 55 2a ff 4d 89 2f 48 85 db 74 2a 4c 8d 73 10 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 c6 54 2a ff 48 8d 43 08 4c 39 7b
RSP: 0018:ffffc90000b978f8 EFLAGS: 00010a06
RAX: 1ffff11800000021 RBX: ffff88c0000000f8 RCX: dffffc0000000000
RDX: ffffffff81a594e0 RSI: ffff8881092f4f40 RDI: ffff888128f46e38
RBP: ffffc90000b97960 R08: dffffc0000000000 R09: ffff888128f46e40
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811d290d10 R14: ffff88c000000108 R15: ffff88811d0292a8
FS:  00007fd59f2996c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000021 CR3: 0000000115f0d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	49 89 5d 00          	mov    %rbx,0x0(%r13)
   4:	48 83 e3 fc          	and    $0xfffffffffffffffc,%rbx
   8:	43 80 3c 26 00       	cmpb   $0x0,(%r14,%r12,1)
   d:	74 08                	je     0x17
   f:	4c 89 ff             	mov    %r15,%rdi
  12:	e8 88 55 2a ff       	call   0xff2a559f
  17:	4d 89 2f             	mov    %r13,(%r15)
  1a:	48 85 db             	test   %rbx,%rbx
  1d:	74 2a                	je     0x49
  1f:	4c 8d 73 10          	lea    0x10(%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 c6 54 2a ff       	call   0xff2a54ff
  39:	48 8d 43 08          	lea    0x8(%rbx),%rax
  3d:	4c                   	rex.WR
  3e:	39                   	.byte 0x39
  3f:	7b                   	.byte 0x7b